Home / 3,309.21-4,963.82-1,572.57

Finding the Fourth Proportional to 3,309.21, 4,963.82 and 1,572.57

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Solution

The fourth proportional to 3,309.21, 4,963.82 and 1,572.57 is: 2,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.21 : 4,963.82 = 1,572.57 : x
  2. Step 2: Convert to fraction form
    3,309.21/4,963.82 = 1,572.57/x
  3. Step 3: Cross multiply
    3,309.21x = 4,963.82 × 1,572.57
  4. Step 4: Simplify right side
    3,309.21x = 7,805,946.55
  5. Step 5: Solve for x
    x = 7,805,946.55/3,309.21
  6. Step 6: Final answer
    x = 2,358.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.